The study is conducted in the areas of Tuebingen, Freiburg and Saarbruecken in Germany. In total, 10.000 ThinPrep® LBC cervical samples were collected from June 2009 to May 2012. Liquid based cytology (LBC) was performed by a central laboratory in Saarbruecken. Human papilloma virus (HPV) testing with the HR HPV HC2® test and APTIMA® HPV Assay were performed at the Section of Experimental Virology, Institute of Medical Virology, University Clinic of Tuebingen, Germany (UKT).